Ahtanum
Alpha acid
3.5–6.5%
Beta acid
4–6.5%
Total oil
0.5–1.7 mL
United States
Calypso
Alpha acid
12–16%
Beta acid
5–6%
Total oil
1.5–2.5 mL
United States
Key differences
When to pick Ahtanum
- More myrcene - pronounced citrus and resinous notes
- Aroma-focused - ideal for dry hopping
When to pick Calypso
- Higher alpha acid - stronger bittering
- More essential oils - more intense aroma
- Versatile - works for both bittering and aroma
Aroma profile and use
Shared aromas
Citrus
Only in Ahtanum
GrapefruitGeraniumPineEarthyFloralCedarLemon
Only in Calypso
FruityApplePearStone fruitLimePeach
Property
| Property | Ahtanum | Calypso |
|---|---|---|
| Alpha acid | 3.5–6.5% | 12–16% |
| Beta acid | 4–6.5% | 5–6% |
| Co-humulone | 30–35% | 38–42% |
| Total oil | 0.5–1.7 mL | 1.5–2.5 mL |
| Myrcene | 45–55% | 30–45% |
| Humulene | 15–22% | 20–35% |
| Caryophyllene | 9–12% | 9–15% |
| Farnesene | 0–1% | 0–1% |
| Origin | United States | United States |
| Purpose | Aroma | Dual purpose |